NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

The active sulfonium form of methionine that is formed when methionine reacts with ATP and which acts as a methyl group donor in various transmethylation reactions. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:active methionine
Chemical structure:
  • 5'-[(3-Amino-3-carboxypropyl)methylsulfonio]-5'-deoxyadenosine Hydroxide, Inner Salt
  • S-Adenosyl-l-methionine 1,4-Butanedisulfonate